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Green County Sheriff's Office
Saturday April 18th, 2026 :: 05:28 a.m. CDT

Alert

Flood Warning until 09:00PM Monday

...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Warning for the following rivers in Wisconsin... Sheboygan River At Sheboygan affecting Sheboygan County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Wisconsin... Root River At Racine affecting Racine County. ...Forecast flooding changed from Minor to Moderate severity for the following rivers in Wisconsin...Illinois... Sugar River At Brodhead affecting Green, Rock and Winnebago Counties.

* WHAT...Minor flooding is occurring and moderate flooding is forecast.

* WHERE...Sugar River at Brodhead.

* WHEN...Until late Monday evening.

* IMPACTS...At 8.0 feet, Floodwaters are over Highway T, Beloit Newark Rd, S Hopkins Rd, and there is flooding in Sugar River Park in the Avon Bottoms area of Rock County. There is widespread agricultural and lowland flooding in the Brodhead area. In Illinois, structures at Sugar Shores Camping Resort may be threatened. Winslow Rd is threatened near the river between Durand and Shirland.

* ADDITIONAL DETAILS... - At 5:00 AM CDT Saturday the stage was 7.9 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:00 AM CDT Saturday was 7.9 feet. - Forecast...The river is expected to rise to a crest of 8.1 feet this morning. It will then fall below flood stage Monday afternoon. - Flood stage is 5.0 feet. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: WINNEBAGO, IL ... GREEN, WI ... ROCK, WI

Instructions:

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 530 PM CDT.

Address/Location
Green County Sheriff's Office
2827 6th St
Monroe, WI 53566

Contact
Emergency: 9-1-1
Non-emergencies: 608-328-9400

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Warning

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